Hydrolysis of which disaccharide in the presence of the enzyme maltase gives glucose only?

Cellulose is a straight-chain polysaccharide composed of only

Aldopentoses named as ribose and $2-$deoxyribose are found in nucleic acids. What is their relative configuration?

Identify the product $Y$ in the following reaction:
$\text{Maltose}$ $\xrightarrow{\text{Hydrolysis}} X$ $\xrightarrow{\text{dil. HNO}_3 \text{ (excess)}} Y$

Glucose differs from fructose in that it

What are carbohydrates called that cannot be hydrolyzed into simpler compounds?